DemoFor public education only. These blocks are built by PisoScan from published PhilGEPS records to show how a budget ledger like CADENA would work. No government agency created or signed them, and this is not an official ledger. How it works
Transaction details
APITransaction action
PROVINCE OF DAVAO DEL SUR Award a ₱3.5M contract to DUBC CONST CORP.Provinces
Transaction hash:
b07f4ffe468b4e12d5703604e3aa8df177e0d4468dd53c8bf7774a6d16ee70af
Status:
Included and unchanged
Block:
#4,917 1,096 blocks after it
Position in block:
Transaction 148 of 196
Award day:
Sep 14, 2022 (4 yrs 2 mo ago)
Value:
₱3,498,000.00
Project:
CONSTRUCTION PROJECTS
Full record:
Accountability
Bill Sec. 3 and 19Responsible agency:
Accountable officer:
Not stated in the source. PhilGEPS does not publish who certified the award.
Certification:
Not certified No agency signed this record. Under CADENA the accountable officer would sign it with their own key.
Demo signature:
Block #4,917 signature valid Demo key, proves nothing about the governmentPublic key
Linked records: from budget to payment
Bill Sec. 5- 1. AppropriationGAA line item · Sec. 5(b)The award does not say which budget line pays for it.Not published
- 2. Allotment releaseSARO / allotment · Sec. 5(c)(iii)Not published per project. DBM releases SAROs, but not linked to individual contracts.Not published
- 3. Cash allocationNotice of Cash Allocation · Sec. 5(c)(iv)Not published per project.Not published
- 4. Contract awardNotice of Award (PhilGEPS) · Sec. 5(d)PROVINCE OF DAVAO DEL SUR awarded it to DUBC CONST CORP. on 2022-09-14.Found
- 5. Contract & progressContract / progress report (DPWH) · Sec. 5(d)No matching DPWH contract record (only DPWH contracts are listed with progress).Not published
- 6. PaymentDisbursement voucher · Sec. 5(c)(viii)Not published. No public source shows how much of this contract has been paid.Not published
- 7. CompletionCertificate of completion · Sec. 5(d)No completion certificate published.Not published
- 8. AuditCOA annual audit report · Sec. 5(e)(iii)COA's CY2024 audit of Davao del Sur gave a "not stated" opinion on its financial statements (not specific to this contract).Partly
1 of 8 documents found, 1 partly. Under CADENA every step would be published within 7 working days and linked to this record.
Tamper test: try changing this record
DemoEdit the amount as if someone quietly changed the record. Your browser re-hashes it and walks up the chain. Nothing is saved.
- 1. Record fingerprint changedstored b07f4ffe46…ee70afnow …
- 2. Block Merkle root changedstored f6fb21de8c…b18ecanow …
- 3. Block #4917 hash changedstored 312d8cbf35…70ed3anow …
Chain intact. The record matches its fingerprint, so the block and every block after it still line up.
Merkle proof (8 steps)
How this one record is tied to the block's Merkle root, without needing the other 195 records. Each step hashes the current value together with the sibling shown.
- leaf b07f4ffe468b4e12d5703604e3aa8df177e0d4468dd53c8bf7774a6d16ee70af
- 01 R b17c88f1d141faedf5eb56ec876e3aa6aeeccc16026b38989f2c995fa7edf1de
- 02 R 3535539dfffe7c541c2b2b01832dc0535971bef8996ca1ddca6786cc226b2e73
- 03 L 8849a9b40409bb480726c6ed56fc2bae31ca1cdeac949c6293bef8d1c0b0d20c
- 04 R 152558852b3d11829dc7e677a6e0a186e3eeb7f7225339062a31a264068671d6
- 05 L 332d9fc38d90d19f76d7a443cf04cccf39f8cc88a6866444ef9f2168d87b012e
- 06 R 8bf7e561f98478c9f46370f8f78fa581422b66a710c3ffb8a61e991258bb2ea4
- 07 R 8747e94ede18008f37b75d5dd25986b8c1da6c4a3a6ed58eac5c30fb23617655
- 08 L c186658aec1e6b1ab995af3f7fc670c38f59e6a3ecf424e30eca7a4b77a3e016
- root f6fb21de8c96162c3de4f469a5d66c6db6dd9c5e6a3658c1a821e279e0b18eca